
Genuine Maytronics part · Filters
S1 Car-Net Combined Filter Basket
Part number 9991465-ASSY · UPC 810071220302 · 1 year part warranty
Genuine Maytronics combined filter basket for Dolphin S100, Dolphin T25, and Dolphin Active 10.
$119.99 MSRP
Not stocked by Poolbots. Sold on Amazon as a genuine Maytronics part.
Ships from Amazon.com. As an Amazon Associate, Poolbots earns from qualifying purchases.
About this part
What it does and when to replace it.
The S1 Car-Net Combined Filter Basket is a genuine Maytronics part that catches debris as the robot cleans. Its part number is 9991465-ASSY.
It replaces the combined filter basket in these confirmed compatible models: Dolphin S100, Dolphin T25, Dolphin Active 10, Dolphin S50, Dolphin Active 15, Dolphin Liberty 200, and Dolphin Liberty 300. Poolbots does not currently stock this part. Contact Poolbots' pool experts by live chat or phone for help checking fit.
- Have your robot's exact model name and part number 9991465-ASSY ready when contacting Poolbots' pool experts.
- Use the confirmed compatibility list rather than relying on a similar model name.
Compatibility
Fits these Dolphin robots.
Confirmed by Maytronics' compatibility checker and each robot's own spare-parts list.
Also listed by Maytronics for: Dolphin S100, Dolphin T25, Dolphin Active 15, Dolphin PoolBot PB10, Dolphin Evolution 10, Dolphin Avalon 20, Dolphin IZZY CLIMB, Dolphin Cainan 1, Dolphin ENERGY C, Dolphin EX10, Dolphin FORMULA 20, Dolphin PoolBot PB20, Dolphin CLASSIC LIGHT, Dolphin PoolBot PB25, S50, S100, Dolphin Seamaster CL, E10, Dolphin E10, Dolphin RUN 10, Dolphin MR 20, ZFUN, Dolphin ZFUN, Dolphin Blue Maxi 10, Dolphin Blue Maxi 20, POOLSTYLE, Dolphin SM 10, Dolphin POOLSTYLE, Dolphin SX 10, POOLSTYLE PLUS, Dolphin FON 20, Dolphin SM 20, Dolphin POOLSTYLE PLUS, Dolphin SX 20, POOLSTYLE ADVANCED, E20, Dolphin Seamaster AG, Dolphin E20, Dolphin CARRERA 20, Dolphin Evolution 20.
Do it yourself
How to replace it at home.
Switch off and unplug the power supply before handling the robot.
Remove the robot from the pool and open its filter access.
Remove the existing combined filter basket.
Place the replacement basket in the same orientation and make sure it seats fully.
Close the filter access securely before using the robot again.
Step-by-step answers for this kind of part
How do I replace the filter panels on my Dolphin robot?Video15 min
Find your model below, then follow its video and instructions. The panel removal and installation steps vary by filter design.
S50 (Cayman, T15, T25, Active 10, Escape, Encore, E20, E25) & S100 (Advantage, Proteus DX3, Saturn, Echo, Nautilus CC, Active 15, Escape, Liberty 200/300/400)

Step 1Remove the old filter panels
- Lift the filter cover open.
- Take the filter basket out of the robot.
- Press the plastic release at the top of the filter's wide side, then lift out the released panel. The narrow side panels come out easily. The front and back panels are secured with screws, so use a Phillips-head screwdriver to release them.
- Follow the same process for the opposite side panel.
Step 2Install the replacement panels
- Slide a replacement panel into the basket.
- Push the panel against the frame until it clicks into place.
- Fit the other side panel the same way.
- With both panels in position, clip the filter's bottom section back into place.
S200 (E30, Advantage Ultra, Active 20, Quantum, T30, Proteus DX4, Triton PS) / S300 (E35/E35i, Proteus DX5i, Active 30, T35/T45, Premium 40, Explorer E30, E40i, Active 30i, T55i) / S400 (E50i, Active 50, Explorer E50) / Liberty 600

Step 1Remove the old filter panels
- Lift the filter cover open.
- Take the filter basket out of the robot.
- Press the plastic release at the top of the filter's side, then lift out the panel that releases.
- Work through the remaining narrow and wide panels using the same method.
Step 2Install the replacement panels
- Set the bottom edge of a replacement panel into the filter's lower rail.
- Push the panel into the frame so it clips into the filter.
- Press it against the frame until you hear it click.
- Fit each remaining narrow and wide panel the same way.
Premier/Dx4 (Bag filter)

Filter bag setup for Dolphin Premier
- Turn the robot upside down so you can reach the filter area.
- Release the clips underneath the filter assembly.
- Lift the assembly out of the robot.
- If the white filter screen is not already fitted, secure it with the two screws.
- Check that the filter bag sits securely on the assembly's guard rails.
- Put the filter bag assembly back in, following the guide and video.
Filter cartridge assembly setup for Dolphin Premier
- Turn the robot upside down so you can reach the filter area.
- Release the clips underneath the filter assembly.
- Lift the assembly out of the robot.
- Make sure the white filter screen is not installed for this setup.
- Follow the guide and video to reinstall the assembly.
- Fasten the clips underneath the assembly to secure it.
M250 (Dx3, Nautilus CC Plus)

Step 1Prepare the filter cartridges
- Lift the filter covers and take the cartridges out of the robot.
- Release the clips at the top of each cartridge.
- Inspect the non-return flap for debris.
- Check that the frame is clean before fitting replacement panels.
Step 2Fit the replacement panels
- Seat the locating tabs along the bottom of each panel in the matching grooves on the base frame.
M400/M500 (Sigma, Nautilus CC Supreme, Aquarius XL, Oasis)

Step 1Prepare the filter cartridges
- Lift the filter covers and take the cartridges out of the robot.
- Release the clips at the top of each cartridge.
- Inspect the non-return flap for debris.
- Check that the frame is clean before fitting replacement panels.
Step 2Fit the replacement panels
- Seat the locating tabs along the bottom of each panel in the matching grooves on the base frame.
M600/M700 (Active 60, E60i, Premium 60, Explorer E70)

Step 1Remove the old filter panels
- Lift the filter cover open.
- Take the filter basket out of the robot.
- Press the plastic release at the top of the filter's side, then lift out the panel that releases.
- Work through the remaining narrow and wide panels using the same method.
Step 2Install the replacement panels
- Set the bottom edge of a replacement panel into the filter's lower rail.
- Push the panel into the frame so it clips into the filter.
- Press it against the frame until you hear it click.
- Fit each remaining narrow and wide panel the same way.
Replacement panels and filter care
You can purchase replacement filter panels from Poolbots. Before ordering, confirm that the panel part number matches your robot. For help choosing the correct panels, contact Poolbots' pool experts by live chat or phone.
Additional references:
Specifications
Size & Dimension
- Gross Weight
- 1.058 lb
General Info
- Warranty (years)
- 1
- UPC
- 810071220302
Questions
S1 Car-Net Combined Filter Basket, answered.
Will this fit Dolphin Liberty 200 or Dolphin Liberty 300?
Yes. Both Dolphin Liberty 200 and Dolphin Liberty 300 are confirmed compatible with part 9991465-ASSY.
Does Poolbots currently stock this filter basket?
Poolbots does not currently stock this part in its store. Contact Poolbots' pool experts by live chat or phone for help identifying it and checking fit.
What warranty is listed for this part?
Maytronics lists a 1-year warranty for part 9991465-ASSY.
















